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276 lines
8.8 KiB
TypeScript
276 lines
8.8 KiB
TypeScript
import {SearchResult} from "../Et2Widget/SearchMixin";
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/**
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* Interface for select options
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*
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* While we can (mostly) handle key => value maps, this is the preferred way to specify selectable options.
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* For option groups, value is the list of sub-options.
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*
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*/
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export interface SelectOption extends SearchResult
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{
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}
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/**
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* Find the select options for a widget, out of the many places they could be.
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*
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* This will give valid, correct array of SelectOptions. It will check:
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* - sel_options ArrayMgr, taking into account namespaces and checking the root
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* - content ArrayMgr, looking for "options-<id>"
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* - passed options, used by specific select types
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*
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* @param {Et2Widget} widget to check for. Should be some sort of select widget.
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* @param {object} attr_options Select options in attributes array
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* @param {SelectOption[]} options Known options, passed in if you've already got some. Cached type options, for example.
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* @return {SelectOption[]} Select options, or empty array
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*/
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export function find_select_options(widget, attr_options?, options : SelectOption[] = []) : SelectOption[]
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{
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let name_parts = widget.id.replace(/[/g, '[').replace(/]|]/g, '').split('[');
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let content_options : SelectOption[] = [];
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// Try to find the options inside the "sel-options"
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if(widget.getArrayMgr("sel_options"))
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{
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// Try first according to ID
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let options = widget.getArrayMgr("sel_options").getEntry(widget.id);
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// ID can get set to an array with 0 => ' ' - not useful
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if(options && (options.length == 1 && typeof options[0] == 'string' && options[0].trim() == '' ||
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// eg. autorepeated id "cat[3]" would pick array element 3 from cat
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typeof options.value != 'undefined' && typeof options.label != 'undefined' && widget.id.match(/\[\d+]$/)))
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{
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content_options = null;
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}
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else
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{
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content_options = options;
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}
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// We could wind up too far inside options if label,title are defined
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if(options && !isNaN(name_parts[name_parts.length - 1]) && options.label && options.title)
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{
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name_parts.pop();
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content_options = widget.getArrayMgr("sel_options").getEntry(name_parts.join('['));
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delete content_options["$row"];
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}
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// Select options tend to be defined once, at the top level, so try that
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if(!content_options || content_options.length == 0)
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{
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content_options = widget.getArrayMgr("sel_options").getRoot().getEntry(name_parts[name_parts.length - 1]);
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}
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// Try in correct namespace (inside a grid or something)
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if(!content_options || content_options.length == 0)
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{
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content_options = widget.getArrayMgr("sel_options").getEntry(name_parts[name_parts.length - 1]);
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}
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// Try name like widget[$row]
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if(name_parts.length > 1 && (!content_options || content_options.length == 0))
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{
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let pop_that = JSON.parse(JSON.stringify(name_parts));
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while(pop_that.length > 1 && (!content_options || content_options.length == 0))
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{
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let last = pop_that.pop();
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content_options = widget.getArrayMgr('sel_options').getEntry(pop_that.join('['));
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// Double check, might have found a normal parent namespace ( eg subgrid in subgrid[selectbox] )
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// with an empty entry for the selectbox. If there were valid options here,
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// we would have found them already, and keeping this would result in the ID as an option
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if(content_options && !Array.isArray(content_options) && typeof content_options[last] != 'undefined' && content_options[last])
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{
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content_options = content_options[last];
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}
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else if(content_options)
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{
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// Check for real values
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for(let key in content_options)
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{
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if(!(isNaN(<number><unknown>key) && typeof content_options[key] === 'string' ||
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!isNaN(<number><unknown>key) && typeof content_options[key] === 'object' && typeof content_options[key]['value'] !== 'undefined'))
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{
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// Found a parent of some other namespace
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content_options = undefined;
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break;
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}
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}
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}
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}
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}
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// Maybe in a row, and options got stuck in ${row} instead of top level
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// not sure this code is still needed, as server-side no longer creates ${row} or {$row} for select-options
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let row_stuck = ['${row}', '{$row}'];
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for(let i = 0; i < row_stuck.length && (!content_options || content_options.length == 0); i++)
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{
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// perspectiveData.row in nm, data["${row}"] in an auto-repeat grid
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if(widget.getArrayMgr("sel_options").perspectiveData.row || widget.getArrayMgr("sel_options").data[row_stuck[i]])
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{
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var row_id = widget.id.replace(/[0-9]+/, row_stuck[i]);
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content_options = widget.getArrayMgr("sel_options").getEntry(row_id);
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if(!content_options || content_options.length == 0)
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{
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content_options = widget.getArrayMgr("sel_options").getEntry(row_stuck[i] + '[' + widget.id + ']');
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}
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}
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}
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if(attr_options && Object.keys(attr_options).length > 0 && content_options)
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{
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// Clean, merge and filter out duplicates
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content_options = [...new Map([...cleanSelectOptions(options), ...cleanSelectOptions(content_options || [])].map(item =>
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[item.value, item])).values()];
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}
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if(content_options)
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{
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content_options = cleanSelectOptions(content_options);
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}
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}
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// Check whether the options entry was found, if not read it from the
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// content array.
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if(content_options && content_options.length > 0 && widget.getArrayMgr('content') != null)
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{
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if(content_options)
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{
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attr_options = content_options;
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}
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let content_mgr = widget.getArrayMgr('content');
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if(content_mgr)
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{
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// If that didn't work, check according to ID
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if(!content_options)
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{
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content_options = content_mgr.getEntry("options-" + widget.id);
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}
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// Again, try last name part at top level
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if(!content_options)
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{
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content_options = content_mgr.getRoot().getEntry("options-" + name_parts[name_parts.length - 1]);
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}
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}
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}
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// Default to an empty object
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if(content_options == null)
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{
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content_options = [];
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}
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// Include passed options, preferring any content options
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if(options.length || Object.keys(options).length > 0)
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{
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content_options = cleanSelectOptions(content_options);
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for(let i in content_options)
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{
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let value = typeof content_options[i] == 'object' && typeof content_options[i].value !== 'undefined' ? content_options[i].value : i;
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let added = false;
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// Override any existing
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for(let j in options)
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{
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if('' + options[j].value === '' + value)
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{
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added = true;
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options[j] = content_options[i];
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break;
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}
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}
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if(!added)
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{
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let insert = typeof content_options[i] == "object" && content_options[i].value === value && content_options[i].label ?
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content_options[i] :
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{
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value: value,
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label: <string><unknown>content_options[i]
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};
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options.splice(parseInt(i), 0, insert);
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}
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}
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content_options = options;
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}
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// Clean up
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if(!Array.isArray(content_options) && typeof content_options === "object" && Object.values(content_options).length > 0)
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{
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let fixed_options = [];
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for(let key in <object>content_options)
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{
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let option = {value: key, label: content_options[key]}
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// This could be an option group - not sure we have any
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if(typeof option.label !== "string" && option.label)
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{
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// @ts-ignore Yes, option.label.label is not supposed to exist but that's what we're checking
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if(typeof option.label.label !== "undefined")
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{
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option = Object.assign(option, option.label);
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}
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}
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fixed_options.push(option);
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}
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content_options = fixed_options;
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}
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return content_options;
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}
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/**
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* Clean up things that might be select options and get them to what we need to make
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* them consistent for widget use.
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*
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* Options might be just a list of labels, or an object of value => label pairs, etc.
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*
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* @param {SelectOption[] | string[] | object} options
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*/
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export function cleanSelectOptions(options : SelectOption[] | string[] | object) : SelectOption[]
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{
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let fixed_options = [];
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if(!Array.isArray(options))
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{
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for(let key in <any>options)
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{
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let option : any = options[key];
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if(typeof option === 'number')
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{
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option = "" + option;
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}
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if(typeof option === 'string')
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{
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option = {label: option};
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}
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else if(option === null)
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{
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option = {label: key + ""};
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}
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option.value = "" + (option.value ?? key.trim()); // link_search prefixes keys with one space
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fixed_options.push(option);
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}
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}
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else
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{
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// make sure value is a string, and label not an object with sub-options
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options.forEach(option =>
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{
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// old taglist used id, instead of value
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if (typeof option.value === 'undefined' && typeof option.id !== 'undefined')
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{
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option.value = option.id;
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delete option.id;
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}
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if(typeof option.value === 'number')
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{
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option.value = option.value.toString();
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}
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if(option.label && typeof option.label !== 'string')
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{
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fixed_options.push(...cleanSelectOptions(option.label));
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}
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else if(fixed_options.findIndex(o => o.value == option.value) == -1)
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{
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fixed_options.push(option);
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}
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})
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}
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return fixed_options;
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} |